In 2003, Li Jinsong was the first lawyer in Beijing to openly advocate the "no merit, no pay, contractual agreement to refund", which was praised by the clients as the "lawyer's honesty and charging method".
In 2004, the first in the capital to create by "both lawyers and certified public accountants, certified tax accountants, accountants, economists and other qualifications, both know the law and financial and business management," the taxation and legal experts composed of composite lawyers, "Tax Lawyer Group "
In 2005, the company has been working on a number of projects, including
Between 2005 and 2007, the company undertook Beijing "Taiping home, beautiful garden, Century City, Ziyu Villa" and other well-known community owners of the rights of the case and Chen Guangcheng case, Hu Jia, Cui Yingjie case and other well-known criminal cases. 2008, involved in the case of Yang Jia, Yang Jia's father hired one of the defense lawyers. In 2008, he was involved in Yang Jia's case and was one of the defense lawyers hired by Yang Jia's father.
On December 10, 2007, he was awarded the "Liberté, Fraternité, égalité" (Liberty, Fraternity, Equality) Human Rights Prize by the French government.
In 2008, he was involved in the Yang Jia case and was one of the defense lawyers hired by Yang Jia's father.
In 2009, he sent a "Citizen's Criticism and Suggestion Letter" to the Minister of Railways, and published an article titled "Let Everyone Who Wants to Go Home Have a Good Ticket" in the January 15 issue of Southern Weekend, proposing four countermeasures to the "hard-to-find tickets" during the Spring Festival of the railroads.